diff options
Diffstat (limited to 'src/cpu/amd/family_10h-family_15h/processor_name.c')
| -rw-r--r-- | src/cpu/amd/family_10h-family_15h/processor_name.c | 194 |
1 files changed, 116 insertions, 78 deletions
diff --git a/src/cpu/amd/family_10h-family_15h/processor_name.c b/src/cpu/amd/family_10h-family_15h/processor_name.c index 9fe896e136..ac0392b7d9 100644 --- a/src/cpu/amd/family_10h-family_15h/processor_name.c +++ b/src/cpu/amd/family_10h-family_15h/processor_name.c @@ -29,6 +29,10 @@ #include <cpu/amd/mtrr.h> #include <cpu/cpu.h> #include <cpu/amd/model_10xxx_rev.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pnp.h> +#include <device/pci_ops.h> /* The maximum length of CPU names is 48 bytes, including the final NULL byte. * If you change these names your BIOS will _NOT_ pass the AMD validation and @@ -208,104 +212,138 @@ static int strcpymax(char *dst, const char *src, int buflen) return i; } +#define NAME_STRING_MAXLEN 48 int init_processor_name(void) { - /* variable names taken from fam10 revision guide for clarity */ - u32 BrandId; /* CPUID Fn8000_0001_EBX */ - u8 String1; /* BrandID[14:11] */ - u8 String2; /* BrandID[3:0] */ - u8 Model; /* BrandID[10:4] */ - u8 Pg; /* BrandID[15] */ - u8 PkgTyp; /* BrandID[31:28] */ - u8 NC; /* CPUID Fn8000_0008_ECX */ - const char *processor_name_string = unknown; - char program_string[48]; - u32 *p_program_string = (u32 *)program_string; msr_t msr; - int i, j = 0, str2_checkNC = 1; - const struct str_s *str, *str2; + ssize_t i; + char program_string[NAME_STRING_MAXLEN]; + u32 *p_program_string = (u32 *)program_string; + uint8_t fam15h = 0; + uint32_t family; + family = cpuid_eax(0x80000001); + family = ((family & 0xf00000) >> 16) | ((family & 0xf00) >> 8); - /* Find out which CPU brand it is */ - BrandId = cpuid_ebx(0x80000001); - String1 = (u8)((BrandId >> 11) & 0x0F); - String2 = (u8)((BrandId >> 0) & 0x0F); - Model = (u8)((BrandId >> 4) & 0x7F); - Pg = (u8)((BrandId >> 15) & 0x01); - PkgTyp = (u8)((BrandId >> 28) & 0x0F); - NC = (u8)(cpuid_ecx(0x80000008) & 0xFF); + if (family >= 0x6f) + /* Family 15h or later */ + fam15h = 1; /* null the string */ memset(program_string, 0, sizeof(program_string)); - if (!Model) { - processor_name_string = Pg ? thermal : sample; - goto done; - } - - switch (PkgTyp) { - case 0: /* F1207 */ - str = String1_socket_F; - str2 = String2_socket_F; - str2_checkNC = 0; - break; - case 1: /* AM2 */ - str = String1_socket_AM2; - str2 = String2_socket_AM2; - break; - case 3: /* G34 */ - str = String1_socket_G34; - str2 = String2_socket_G34; - str2_checkNC = 0; - break; - case 5: /* C32 */ - str = String1_socket_C32; - str2 = String2_socket_C32; - break; - default: - goto done; - } + if (fam15h) { + /* Family 15h or later */ + uint32_t dword; + device_t cpu_fn5_dev = dev_find_slot(0, PCI_DEVFN(0x18, 5)); + pci_write_config32(cpu_fn5_dev, 0x194, 0); + dword = pci_read_config32(cpu_fn5_dev, 0x198); + if (dword == 0) { + strcpymax(program_string, sample, sizeof(program_string)); + } else { + /* Assemble the string from PCI configuration register contents */ + for (i = 0; i < 12; i++) { + pci_write_config32(cpu_fn5_dev, 0x194, i); + p_program_string[i] = pci_read_config32(cpu_fn5_dev, 0x198); + } + + /* Correctly place the null terminator */ + for (i = (NAME_STRING_MAXLEN - 2); i > 0; i--) { + if (program_string[i] != 0x20) + break; + } + program_string[i + 1] = 0; + } + } else { + /* variable names taken from fam10 revision guide for clarity */ + u32 BrandId; /* CPUID Fn8000_0001_EBX */ + u8 String1; /* BrandID[14:11] */ + u8 String2; /* BrandID[3:0] */ + u8 Model; /* BrandID[10:4] */ + u8 Pg; /* BrandID[15] */ + u8 PkgTyp; /* BrandID[31:28] */ + u8 NC; /* CPUID Fn8000_0008_ECX */ + const char *processor_name_string = unknown; + int j = 0, str2_checkNC = 1; + const struct str_s *str, *str2; + + /* Find out which CPU brand it is */ + BrandId = cpuid_ebx(0x80000001); + String1 = (u8)((BrandId >> 11) & 0x0F); + String2 = (u8)((BrandId >> 0) & 0x0F); + Model = (u8)((BrandId >> 4) & 0x7F); + Pg = (u8)((BrandId >> 15) & 0x01); + PkgTyp = (u8)((BrandId >> 28) & 0x0F); + NC = (u8)(cpuid_ecx(0x80000008) & 0xFF); + + if (!Model) { + processor_name_string = Pg ? thermal : sample; + goto done; + } - /* String1 */ - for (i = 0; str[i].value; i++) { - if ((str[i].Pg == Pg) && - (str[i].NC == NC) && - (str[i].String == String1)) { - processor_name_string = str[i].value; + switch (PkgTyp) { + case 0: /* F1207 */ + str = String1_socket_F; + str2 = String2_socket_F; + str2_checkNC = 0; + break; + case 1: /* AM2 */ + str = String1_socket_AM2; + str2 = String2_socket_AM2; + break; + case 3: /* G34 */ + str = String1_socket_G34; + str2 = String2_socket_G34; + str2_checkNC = 0; + break; + case 5: /* C32 */ + str = String1_socket_C32; + str2 = String2_socket_C32; break; + default: + goto done; } - } - if (!str[i].value) - goto done; + /* String1 */ + for (i = 0; str[i].value; i++) { + if ((str[i].Pg == Pg) && + (str[i].NC == NC) && + (str[i].String == String1)) { + processor_name_string = str[i].value; + break; + } + } - j = strcpymax(program_string, processor_name_string, - sizeof(program_string)); + if (!str[i].value) + goto done; - /* Translate Model from 01-99 to ASCII and put it on the end. - * Numbers less than 10 should include a leading zero, e.g., 09.*/ - if (Model < 100 && j < sizeof(program_string) - 2) { - program_string[j++] = (Model / 10) + '0'; - program_string[j++] = (Model % 10) + '0'; - } + j = strcpymax(program_string, processor_name_string, + sizeof(program_string)); - processor_name_string = unknown2; - - /* String 2 */ - for(i = 0; str2[i].value; i++) { - if ((str2[i].Pg == Pg) && - ((str2[i].NC == NC) || !str2_checkNC) && - (str2[i].String == String2)) { - processor_name_string = str2[i].value; - break; + /* Translate Model from 01-99 to ASCII and put it on the end. + * Numbers less than 10 should include a leading zero, e.g., 09.*/ + if (Model < 100 && j < sizeof(program_string) - 2) { + program_string[j++] = (Model / 10) + '0'; + program_string[j++] = (Model % 10) + '0'; } - } + processor_name_string = unknown2; + + /* String 2 */ + for(i = 0; str2[i].value; i++) { + if ((str2[i].Pg == Pg) && + ((str2[i].NC == NC) || !str2_checkNC) && + (str2[i].String == String2)) { + processor_name_string = str2[i].value; + break; + } + } -done: - strcpymax(&program_string[j], processor_name_string, - sizeof(program_string) - j); + done: + strcpymax(&program_string[j], processor_name_string, + sizeof(program_string) - j); + } printk(BIOS_DEBUG, "CPU model: %s\n", program_string); |